hi optimizer you audio JIAYU S3 all version all rom
no wipe install via recovery
thank's freedgt mtkphone.it,instancabile androidiani.com
thank's source and information @ autor
http://sattarpalace.blogspot.it/2014/07/low-sound-volume-fix-for-mt6589x.html?m=1
http://forum.china-iphone.ru/proshivki-4-4-dlya-jiayu-s3-t36917-700.html
update v2 new setting
flash via recovery
NEW SETTING V3 new update install via recovery
NEW SETTING V4
CAUTION ON LOLLIPOP ROM
INSTALL PATCH
AFTER INSTALL XPOSED